What do you think with the below Picture ?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Can you replace the question mark with the correct number?

When it is alive we sing, when it is dead we clap our hands. What is it?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

Can it be possible to build a house that has all its four walls facing towards the South?

Can you count the number of triangles in the picture below?

Can you count the number of triangles in the given figure?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What type of tree can I carry in my hand?